Digital plus by Lenz NMRA DCC products Unleashing the Power Of DCC! Lenz Elektronik GmbH, the world's leader for Digital Command Control, is celebrating their 26th year in business. They have manufactured DCC products for a number of fine model railroad companies including ROCO, LGB, Con-Cor and Atlas. Lenz GmbH also produces, Digital plus, Their flagship line of Digital Command Control equipment for model railroads. Their products are carried by fine hobby stores worldwide. Their goal is to produce products with exceptional quality, value, and performance, while maintaining true compatibility.